04.11.2020

An amoeba divides to form two amoebas after one hour. One hour later, each of the
two amoebas divides to form two more. Every hour, each amoeba divides to form two more.
d. Write an expression for the number of amoebas after 24 hours.

. 9

Faq

Mathematics
Step-by-step answer
P Answered by PhD

Step-by-step explanation:

Given that the number of amoeba is 1

in 1 hour it divides to form 2

1 hour later (2 hours): 1 amoeba(forms 2), 1 amoeba(forms 2)= 4  

1 hour again(3 hours):   1=2,1=2,1=2,1=2 hence a total of 8 after 3 hours

Question and answers

1. How many amoebas are there after 1 hour

=2 amoebas

2. How many amoebas are there after 2 hours

=4 amoebas

3. Write an expression for the number of amoebas after 6 hours.

let the number of amoeba be y, and the time be n

so in 6 hours n= 6

y=2^n

y= 2^6\\\\y= 64 amoebas

Mathematics
Step-by-step answer
P Answered by PhD

P=P_0(r)^t   where

P is the populationP₀ is the initial populationr is the ratet is the time

In the given problem, r = 2 (because the amoeba double every hour). So,

               P=P_0(2)^t

Mathematics
Step-by-step answer
P Answered by PhD

P=P_0(r)^t   where

P is the populationP₀ is the initial populationr is the ratet is the time

In the given problem, r = 2 (because the amoeba double every hour). So,

               P=P_0(2)^t

Mathematics
Step-by-step answer
P Answered by PhD

SI=(P*R*T)/100

P=2000

R=1.5

T=6

SI=(2000*1.5*6)/100

=(2000*9)/100

=180

Neil will earn interest of 180

Mathematics
Step-by-step answer
P Answered by PhD
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
Mathematics
Step-by-step answer
P Answered by PhD

Cost of 7 gallons=$24.50

Cost of 1 gallon=24.50/7=3.5

Cost of 15 gallons=15*3.5=52.5

Cost of 15 gallons will be $52.5

Mathematics
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Mathematics
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
Step-by-step answer
P Answered by PhD

The solution is given in the image below

The solution is given in the image below

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